Shock absorber



FIG. 1 is a perspective view of the shock absorber.

FIG. 2 is a front view of the shock absorber.

FIG. 3 is a side view of the shock absorber.

FIG. 4 is a perspective view of the shock absorber in an exploded state, including an enlarged detail view of a portion thereof for clarity of illustration.

FIG. 5 is a front view of the shock absorber in an exploded state, including an enlarged detail view of a portion thereof for clarity of illustration; and,

FIG. 6 is a side view of the shock absorber in an exploded state, including an enlarged detail view of a portion thereof for clarity of illustration. 

CLAIM The ornamental design for a shock absorber, as shown and described. 